Severe issues with newly installed GTX 670

Hello, I just recieved my newest graphics card in the mail today its the Gigabyte Geforce GTX 670 Windforce 2 GB graphics card. I removed my old card and uninstalled all of its related drivers (it was an AMD 6870) and then proceeded to the nvidia website to install all of the newest drivers for my card. installation went smoothly and I immediately jumped into far cry 3 after all of my updating and restarting and such was complete. I found that I could only play for 5 minutes or less when it would freeze, sound picture and everything so I would have to do a forced shutdown my holding down my power button. I thought it was a freak incident then found it to continue happening. I went from running it on 1080p ultra dx11 to 720p low dx9 and the same duration would happen no matter how i edited the settings. I then went to borderlands 2 and planetside 2 and found the same issue happening there only i would be able to play for 20 minutes or so before the freezin and restarting. I then went in and removed all the driver information and installed older versions of the drivers and found the same issue was at hand. so i played around with installing different versions and always made sure they were clean installs. I am now again running the latest version and dont know what to do. I went through and it looks like all of my components are up to date, so whats up? Also, I made sure i had the latest version of direct x 11
My specs:
Windows 8 64 Bit
10GB Ripjaws Ram
Gigabyte GTX 670
Sandy Bridge Intel core i3-2105
ASUS P8H61-M motherboard
850W PSU
Please help!

Hello, I just recieved my newest graphics card in the mail today its the Gigabyte Geforce GTX 670 Windforce 2 GB graphics card. I removed my old card and uninstalled all of its related drivers (it was an AMD 6870) and then proceeded to the nvidia website to install all of the newest drivers for my card. installation went smoothly and I immediately jumped into far cry 3 after all of my updating and restarting and such was complete. I found that I could only play for 5 minutes or less when it would freeze, sound picture and everything so I would have to do a forced shutdown my holding down my power button. I thought it was a freak incident then found it to continue happening. I went from running it on 1080p ultra dx11 to 720p low dx9 and the same duration would happen no matter how i edited the settings. I then went to borderlands 2 and planetside 2 and found the same issue happening there only i would be able to play for 20 minutes or so before the freezin and restarting. I then went in and removed all the driver information and installed older versions of the drivers and found the same issue was at hand. so i played around with installing different versions and always made sure they were clean installs. I am now again running the latest version and dont know what to do. I went through and it looks like all of my components are up to date, so whats up? Also, I made sure i had the latest version of direct x 11
My specs:
Windows 8 64 Bit
10GB Ripjaws Ram
Gigabyte GTX 670
Sandy Bridge Intel core i3-2105
ASUS P8H61-M motherboard
850W PSU
Please help!

my advice would be to put the AMD card back in, and install its drivers and see if it still works. this would rule out any random hardware failure (for example - you could have damaged a stick of RAM, or forgotton to plug in a fan somewhere. if the old card has the same problems you KNOW its not the new card at fault)

run 3dmark 11 and see if it passes, try 3dmark with high settings, and see if it passes. try other games, if all fails,
check gpu temps by gpu-z,
if possible, get another hdd and do a clean install which rules out any driver problems.
only one card, so psu should be ok,

I was going to say PSU at first because it sounds exactly like a power issue. Your log shows integrated GPU trying to work but errored out. Disable via bios and get back to us with the result. Maybe the AMD drivers doesn't want to recognize the NVIDIA cards lol.

Ok so I installed that program, removed any former onboard video drivers and amd drivers and did a clean install of the nvidia drivers. I noticed improvement in the boot up of the computer. (Before this i noticed that my monitor wouldnt turn in until log in). I went into the bios and disabled the integrated graphics and set the primary as the pci. I launched far cry 3 and its not getting past the initial load screen for some reason now so i reinstalled it and still cant get past it to test if the card is working. is this another problem due to my card?

Ok so I installed that program, removed any former onboard video drivers and amd drivers and did a clean install of the nvidia drivers. I noticed improvement in the boot up of the computer. (Before this i noticed that my monitor wouldnt turn in until log in). I went into the bios and disabled the integrated graphics and set the primary as the pci. I launched far cry 3 and its not getting past the initial load screen for some reason now so i reinstalled it and still cant get past it to test if the card is working. is this another problem due to my card?

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When you get into windows, downclock the GPU and memory by a significant amount, then try launching FC3 again. It's probably a bad card or poor OEM heasink installation job.

Ok so I installed that program, removed any former onboard video drivers and amd drivers and did a clean install of the nvidia drivers. I noticed improvement in the boot up of the computer. (Before this i noticed that my monitor wouldnt turn in until log in). I went into the bios and disabled the integrated graphics and set the primary as the pci. I launched far cry 3 and its not getting past the initial load screen for some reason now so i reinstalled it and still cant get past it to test if the card is working. is this another problem due to my card?

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if 3dmark fails, it is ur card, mostly. but if game fails, it maybe driver, windows, etc.

My bios does not have a direct on/off switch for the igpu i enable the pci to be used and disabled the igpu features and uninstalled the drivers, is there more that i'm missing? Also it does not have a clear way to allocate power to it. its a pci 3.0 capable card and my motherboard is 2.0 is there a need for me to mess with power, if so how? I have an 850W Ultra X3 Psu, thanks and sorry im so noob, my other video cardss were breeze to install

I've never had to disable any integrated graphics, it had always done it by itself for for me when I install a graphics card. This is after over 20 PCs I've already built starting since the Athlon 1700+.

I've never had to disable any integrated graphics, it had always done it by itself for for me when I install a graphics card. This is after over 20 PCs I've already built starting since the Athlon 1700+.

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If you don't use it then disable it. No point in it and every PC is different. If disabling it fixed his issue then guess what? It was the iGPU. If not then we will have to figure it out.

My bios does not have a direct on/off switch for the igpu i enable the pci to be used and disabled the igpu features and uninstalled the drivers, is there more that i'm missing? Also it does not have a clear way to allocate power to it. its a pci 3.0 capable card and my motherboard is 2.0 is there a need for me to mess with power, if so how? I have an 850W Ultra X3 Psu, thanks and sorry im so noob, my other video cardss were breeze to install

So after all the tweaking today as of right now i still have the computer freeze issue in games. Though since the beginning of the day i am able to go longer its more of a 10 minutes before freeze instead of a 5 minutes before freeze, what next?

Also it does not have a clear way to allocate power to it. its a pci 3.0 capable card and my motherboard is 2.0 is there a need for me to mess with power, if so how? I have an 850W Ultra X3 Psu, thanks and sorry im so noob, my other video cardss were breeze to install

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Just to be sure, did you plug in the two 6 pin PCI-E connectors on the top of the card?